Wireless keyboard



FIG. 1 is a perspective view of our wireless keyboard showing our new design included therein;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Broken lines shown in the drawings illustrate portions of the wireless keyboard, and form no part of the claimed design. 

CLAIM The ornamental design for a wireless keyboard, as shown and described. 